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SIMD-accelerated gas mixtures. (SIMD atmos) (#2479)

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* SIMD atmos

* Moles will always be a multiple of four.

* Component dependencies for grid atmos.

* Let's optimize allocations while we're at it!

* Inline this

* A bunch of atmos optimizations

* Fix crimes against atmos

* Microsoft moment

* Remove nuget.config

* do not reference Robust.UnitTests in Content.Benchmarks as it's unneeded.

* Revert "Remove nuget.config"

This reverts commit 872604ae6a51365af4075bb23687bd005befd8ac.

* Gas overlay optimization and fixes

* Lattice is now spess

* minor atmos tweaks
This commit is contained in:
Víctor Aguilera Puerto
2020-11-25 10:48:49 +01:00
committed by GitHub
parent 89f72c4cb2
commit b18ee3ec49
19 changed files with 199 additions and 177 deletions
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109
Content.Server/Atmos/GasMixture.cs
View File

@@ -9,6 +9,7 @@ using Content.Server.Interfaces;
using Content.Shared.Atmos;
using Robust.Shared.GameObjects.Systems;
using Robust.Shared.Interfaces.Serialization;
using Robust.Shared.Maths;
using Robust.Shared.Serialization;
using Robust.Shared.ViewVariables;
@@ -24,11 +25,12 @@ namespace Content.Server.Atmos
public static GasMixture SpaceGas => new GasMixture() {Volume = 2500f, Immutable = true, Temperature = Atmospherics.TCMB};
// This must always have a length that is a multiple of 4 for SIMD acceleration.
[ViewVariables]
private float[] _moles = new float[Atmospherics.TotalNumberOfGases];
private float[] _moles;
[ViewVariables]
private float[] _molesArchived = new float[Atmospherics.TotalNumberOfGases];
private float[] _molesArchived;
[ViewVariables]
private float _temperature = Atmospherics.TCMB;
@@ -54,46 +56,10 @@ namespace Content.Server.Atmos
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get
{
var capacity = 0f;
Span<float> tmp = stackalloc float[_moles.Length];
NumericsHelpers.Multiply(_moles, _atmosphereSystem.GasSpecificHeats, tmp);
for (var i = 0; i < Atmospherics.TotalNumberOfGases; i++)
{
capacity += _atmosphereSystem.GetGas(i).SpecificHeat * _moles[i];
}
return MathF.Max(capacity, Atmospherics.MinimumHeatCapacity);
}
}
/// <summary>
/// Heat capacity ratio of gas mixture
/// </summary>
[ViewVariables]
public float HeatCapacityRatio
{
get
{
var delimiterSum = 0f;
for (var i = 0; i < Atmospherics.TotalNumberOfGases; i++)
{
delimiterSum += _moles[i] / (_atmosphereSystem.GetGas(i).HeatCapacityRatio - 1);
}
return 1 + TotalMoles / delimiterSum;
}
}
public float MolarMass
{
get
{
var molarMass = 0f;
var totalMoles = TotalMoles;
for (var i = 0; i < Atmospherics.TotalNumberOfGases; i++)
{
molarMass += _atmosphereSystem.GetGas(i).MolarMass * (_moles[i] / totalMoles);
}
return molarMass;
return MathF.Max(NumericsHelpers.HorizontalAdd(tmp), Atmospherics.MinimumHeatCapacity);
}
}
@@ -103,14 +69,10 @@ namespace Content.Server.Atmos
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get
{
var capacity = 0f;
Span<float> tmp = stackalloc float[_moles.Length];
NumericsHelpers.Multiply(_molesArchived, _atmosphereSystem.GasSpecificHeats, tmp);
for (var i = 0; i < Atmospherics.TotalNumberOfGases; i++)
{
capacity += _atmosphereSystem.GetGas(i).SpecificHeat * _molesArchived[i];
}
return MathF.Max(capacity, Atmospherics.MinimumHeatCapacity);
return MathF.Max(NumericsHelpers.HorizontalAdd(tmp), Atmospherics.MinimumHeatCapacity);
}
}
@@ -118,17 +80,7 @@ namespace Content.Server.Atmos
public float TotalMoles
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get
{
var moles = 0f;
foreach (var gas in _moles)
{
moles += gas;
}
return moles;
}
get => NumericsHelpers.HorizontalAdd(_moles);
}
[ViewVariables]
@@ -168,7 +120,7 @@ namespace Content.Server.Atmos
public GasMixture(AtmosphereSystem? atmosphereSystem)
{
_atmosphereSystem = atmosphereSystem ?? EntitySystem.Get<AtmosphereSystem>();
_moles = new float[_atmosphereSystem.Gases.Count()];
_moles = new float[MathHelper.NextMultipleOf(Atmospherics.TotalNumberOfGases, 4)];
_molesArchived = new float[_moles.Length];
}
@@ -207,10 +159,7 @@ namespace Content.Server.Atmos
}
}
for (var i = 0; i < Atmospherics.TotalNumberOfGases; i++)
{
_moles[i] += giver._moles[i];
}
NumericsHelpers.Add(_moles, giver._moles);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -268,19 +217,10 @@ namespace Content.Server.Atmos
var removed = new GasMixture(_atmosphereSystem) {Volume = Volume, Temperature = Temperature};
for (var i = 0; i < Atmospherics.TotalNumberOfGases; i++)
{
var moles = _moles[i];
if (moles < Atmospherics.GasMinMoles)
removed._moles[i] = 0f;
else
{
var removedMoles = moles * ratio;
removed._moles[i] = removedMoles;
if (!Immutable)
_moles[i] -= removedMoles;
}
}
_moles.CopyTo(removed._moles.AsSpan());
NumericsHelpers.Multiply(removed._moles, ratio);
if (!Immutable)
NumericsHelpers.Sub(_moles, removed._moles);
return removed;
}
@@ -563,25 +503,24 @@ namespace Content.Server.Atmos
public void Multiply(float multiplier)
{
if (Immutable) return;
for(var i = 0; i < Atmospherics.TotalNumberOfGases; i++)
{
_moles[i] *= multiplier;
}
NumericsHelpers.Multiply(_moles, multiplier);
}
public void ExposeData(ObjectSerializer serializer)
{
var length = MathHelper.NextMultipleOf(Atmospherics.TotalNumberOfGases, 4);
serializer.DataField(this, x => Immutable, "immutable", false);
serializer.DataField(this, x => Volume, "volume", 0f);
serializer.DataField(this, x => LastShare, "lastShare", 0f);
serializer.DataField(this, x => TemperatureArchived, "temperatureArchived", 0f);
serializer.DataField(ref _moles, "moles", new float[Atmospherics.TotalNumberOfGases]);
serializer.DataField(ref _molesArchived, "molesArchived", new float[Atmospherics.TotalNumberOfGases]);
serializer.DataField(ref _moles, "moles", new float[length]);
serializer.DataField(ref _molesArchived, "molesArchived", new float[length]);
serializer.DataField(ref _temperature, "temperature", Atmospherics.TCMB);
// The arrays MUST have a specific length.
Array.Resize(ref _moles, Atmospherics.TotalNumberOfGases);
Array.Resize(ref _molesArchived, Atmospherics.TotalNumberOfGases);
Array.Resize(ref _moles, length);
Array.Resize(ref _molesArchived, length);
}
public override bool Equals(object? obj)

34
Content.Server/Atmos/TileAtmosphere.cs
View File

@@ -252,7 +252,7 @@ namespace Content.Server.Atmos
for (var i = 0; i < Atmospherics.Directions; i++)
{
var direction = (AtmosDirection) (1 << i);
if (!_adjacentBits.HasFlag(direction)) continue;
if (!_adjacentBits.IsFlagSet(direction)) continue;
var other = _adjacentTiles[i];
if (other?.Air == null) continue;
var comparisonMoles = other.Air.TotalMoles;
@@ -288,7 +288,7 @@ namespace Content.Server.Atmos
for (var j = 0; j < Atmospherics.Directions; j++)
{
var direction = (AtmosDirection) (1 << j);
if (!exploring._adjacentBits.HasFlag(direction)) continue;
if (!exploring._adjacentBits.IsFlagSet(direction)) continue;
var adj = exploring._adjacentTiles[j];
if (adj?.Air == null) continue;
if(adj._tileAtmosInfo.LastQueueCycle == queueCycle) continue;
@@ -360,7 +360,7 @@ namespace Content.Server.Atmos
for (var j = 0; j < Atmospherics.Directions; j++)
{
var direction = (AtmosDirection) (1 << j);
if (!tile._adjacentBits.HasFlag(direction)) continue;
if (!tile._adjacentBits.IsFlagSet(direction)) continue;
var tile2 = tile._adjacentTiles[j];
// skip anything that isn't part of our current processing block.
@@ -378,7 +378,7 @@ namespace Content.Server.Atmos
for (var j = 0; j < Atmospherics.Directions; j++)
{
var direction = (AtmosDirection) (1 << j);
if (!eligibleDirections.HasFlag(direction)) continue;
if (!eligibleDirections.IsFlagSet(direction)) continue;
tile.AdjustEqMovement(direction, molesToMove);
tile._tileAtmosInfo.MoleDelta -= molesToMove;
@@ -425,7 +425,7 @@ namespace Content.Server.Atmos
for (var k = 0; k < Atmospherics.Directions; k++)
{
var direction = (AtmosDirection) (1 << k);
if (!tile._adjacentBits.HasFlag(direction)) continue;
if (!tile._adjacentBits.IsFlagSet(direction)) continue;
var tile2 = tile._adjacentTiles[k];
if (giver._tileAtmosInfo.MoleDelta <= 0) break; // We're done here now. Let's not do more work than needed.
if (tile2._tileAtmosInfo.LastQueueCycle != queueCycle) continue;
@@ -493,7 +493,7 @@ namespace Content.Server.Atmos
for (var k = 0; k < Atmospherics.Directions; k++)
{
var direction = (AtmosDirection) (1 << k);
if (!tile._adjacentBits.HasFlag(direction)) continue;
if (!tile._adjacentBits.IsFlagSet(direction)) continue;
var tile2 = tile._adjacentTiles[k];
if (taker._tileAtmosInfo.MoleDelta >= 0) break; // We're done here now. Let's not do more work than needed.
@@ -554,7 +554,7 @@ namespace Content.Server.Atmos
for (var j = 0; j < Atmospherics.Directions; j++)
{
var direction = (AtmosDirection) (1 << j);
if (!tile._adjacentBits.HasFlag(direction)) continue;
if (!tile._adjacentBits.IsFlagSet(direction)) continue;
var tile2 = tile._adjacentTiles[j];
if (tile2?.Air?.Compare(Air) == GasMixture.GasCompareResult.NoExchange) continue;
_gridAtmosphereComponent.AddActiveTile(tile2);
@@ -587,7 +587,7 @@ namespace Content.Server.Atmos
for(var i = 0; i < Atmospherics.Directions; i++)
{
var direction = (AtmosDirection) (1 << i);
if (!_adjacentBits.HasFlag(direction)) continue;
if (!_adjacentBits.IsFlagSet(direction)) continue;
var amount = transferDirections[i];
var tile = _adjacentTiles[i];
if (tile?.Air == null) continue;
@@ -612,7 +612,7 @@ namespace Content.Server.Atmos
{
var direction = (AtmosDirection) (1 << i);
var amount = transferDirs[i];
if(amount < 0 && _adjacentBits.HasFlag(direction))
if(amount < 0 && _adjacentBits.IsFlagSet(direction))
_adjacentTiles[i].FinalizeEq(); // A bit of recursion if needed.
}
}
@@ -654,14 +654,14 @@ namespace Content.Server.Atmos
for (var i = 0; i < Atmospherics.Directions; i++)
{
var direction = (AtmosDirection) (1 << i);
if(_adjacentBits.HasFlag(direction))
if(_adjacentBits.IsFlagSet(direction))
adjacentTileLength++;
}
for(var i = 0; i < Atmospherics.Directions; i++)
{
var direction = (AtmosDirection) (1 << i);
if (!_adjacentBits.HasFlag(direction)) continue;
if (!_adjacentBits.IsFlagSet(direction)) continue;
var enemyTile = _adjacentTiles[i];
// If the tile is null or has no air, we don't do anything for it.
@@ -848,7 +848,7 @@ namespace Content.Server.Atmos
for(var i = 0; i < Atmospherics.Directions; i++)
{
var direction = (AtmosDirection) (1 << i);
if (!directions.HasFlag(direction)) continue;
if (!directions.IsFlagSet(direction)) continue;
var adjacent = _adjacentTiles[direction.ToIndex()];
@@ -1002,7 +1002,7 @@ namespace Content.Server.Atmos
for (var j = 0; j < Atmospherics.Directions; j++)
{
var direction = (AtmosDirection) (1 << j);
if (!tile._adjacentBits.HasFlag(direction)) continue;
if (!tile._adjacentBits.IsFlagSet(direction)) continue;
var tile2 = tile._adjacentTiles[j];
if (tile2.Air == null) continue;
if (tile2._tileAtmosInfo.LastQueueCycle == queueCycle) continue;
@@ -1010,7 +1010,7 @@ namespace Content.Server.Atmos
tile.ConsiderFirelocks(tile2);
// The firelocks might have closed on us.
if (!tile._adjacentBits.HasFlag(direction)) continue;
if (!tile._adjacentBits.IsFlagSet(direction)) continue;
tile2._tileAtmosInfo = new TileAtmosInfo {LastQueueCycle = queueCycle};
tiles[tileCount++] = tile2;
}
@@ -1039,7 +1039,7 @@ namespace Content.Server.Atmos
{
var direction = (AtmosDirection) (1 << j);
// TODO ATMOS This is a terrible hack that accounts for the mess that are space TileAtmospheres.
if (!tile._adjacentBits.HasFlag(direction) && !tile.Air.Immutable) continue;
if (!tile._adjacentBits.IsFlagSet(direction) && !tile.Air.Immutable) continue;
var tile2 = tile._adjacentTiles[j];
if (tile2?._tileAtmosInfo.LastQueueCycle != queueCycle) continue;
if (tile2._tileAtmosInfo.LastSlowQueueCycle == queueCycleSlow) continue;
@@ -1156,7 +1156,7 @@ namespace Content.Server.Atmos
_adjacentTiles[direction.ToIndex()] = adjacent;
adjacent?.UpdateAdjacent(direction.GetOpposite());
if (adjacent != null && !BlockedAirflow.HasFlag(direction) && !_gridAtmosphereComponent.IsAirBlocked(adjacent.GridIndices, direction.GetOpposite()))
if (adjacent != null && !BlockedAirflow.IsFlagSet(direction) && !_gridAtmosphereComponent.IsAirBlocked(adjacent.GridIndices, direction.GetOpposite()))
{
_adjacentBits |= direction;
}
@@ -1167,7 +1167,7 @@ namespace Content.Server.Atmos
{
_adjacentTiles[direction.ToIndex()] = _gridAtmosphereComponent.GetTile(GridIndices.Offset(direction.ToDirection()));
if (!BlockedAirflow.HasFlag(direction) && !_gridAtmosphereComponent.IsAirBlocked(GridIndices.Offset(direction.ToDirection()), direction.GetOpposite()))
if (!BlockedAirflow.IsFlagSet(direction) && !_gridAtmosphereComponent.IsAirBlocked(GridIndices.Offset(direction.ToDirection()), direction.GetOpposite()))
{
_adjacentBits |= direction;
}

2
Content.Server/GameObjects/Components/Atmos/AirtightComponent.cs
View File

@@ -113,7 +113,7 @@ namespace Content.Server.GameObjects.Components.Atmos
for (var i = 0; i < Atmospherics.Directions; i++)
{
var direction = (AtmosDirection) (1 << i);
if (!myDirection.HasFlag(direction)) continue;
if (!myDirection.IsFlagSet(direction)) continue;
var angle = direction.ToAngle();
angle += myAngle;
newAirBlockedDirs |= angle.ToAtmosDirectionCardinal();

1
Content.Server/GameObjects/Components/Atmos/GasTankComponent.cs
View File

@@ -233,6 +233,7 @@ namespace Content.Server.GameObjects.Components.Atmos
private InternalsComponent? GetInternalsComponent(IEntity? owner = null)
{
if (Owner.Deleted) return null;
if (owner != null) return owner.GetComponentOrNull<InternalsComponent>();
return Owner.TryGetContainer(out var container)
? container.Owner.GetComponentOrNull<InternalsComponent>()

33
Content.Server/GameObjects/Components/Atmos/GridAtmosphereComponent.cs
View File

@@ -14,6 +14,7 @@ using Content.Shared.Maps;
using Robust.Server.GameObjects.EntitySystems.TileLookup;
using Robust.Server.Interfaces.GameObjects;
using Robust.Shared.GameObjects;
using Robust.Shared.GameObjects.ComponentDependencies;
using Robust.Shared.GameObjects.Components.Map;
using Robust.Shared.GameObjects.Components.Transform;
using Robust.Shared.GameObjects.Systems;
@@ -65,6 +66,8 @@ namespace Content.Server.GameObjects.Components.Atmos
private Stopwatch _stopwatch = new Stopwatch();
private GridId _gridId;
[ComponentDependency] private IMapGridComponent? _mapGridComponent = default!;
[ViewVariables]
public int UpdateCounter { get; private set; } = 0;
@@ -217,7 +220,7 @@ namespace Content.Server.GameObjects.Components.Atmos
protected virtual void Revalidate()
{
foreach (var indices in _invalidatedCoords.ToArray())
foreach (var indices in _invalidatedCoords)
{
var tile = GetTile(indices);
@@ -259,7 +262,7 @@ namespace Content.Server.GameObjects.Components.Atmos
// TODO ATMOS: Query all the contents of this tile (like walls) and calculate the correct thermal conductivity
tile.ThermalConductivity = tile.Tile?.Tile.GetContentTileDefinition().ThermalConductivity ?? 0.5f;
tile.UpdateAdjacent();
tile.UpdateVisuals();
GasTileOverlaySystem.Invalidate(_gridId, indices);
for (var i = 0; i < Atmospherics.Directions; i++)
{
@@ -420,12 +423,18 @@ namespace Content.Server.GameObjects.Components.Atmos
/// <inheritdoc />
public bool IsAirBlocked(Vector2i indices, AtmosDirection direction = AtmosDirection.All)
{
var directions = AtmosDirection.Invalid;
foreach (var obstructingComponent in GetObstructingComponents(indices))
{
if (!obstructingComponent.AirBlocked)
continue;
if (obstructingComponent.AirBlockedDirection.HasFlag(direction))
// We set the directions that are air-blocked so far,
// as you could have a full obstruction with only 4 directional air blockers.
directions |= obstructingComponent.AirBlockedDirection;
if (directions.IsFlagSet(direction))
return true;
}
@@ -435,10 +444,9 @@ namespace Content.Server.GameObjects.Components.Atmos
/// <inheritdoc />
public virtual bool IsSpace(Vector2i indices)
{
// TODO ATMOS use ContentTileDefinition to define in YAML whether or not a tile is considered space
if (!Owner.TryGetComponent(out IMapGridComponent? mapGrid)) return default;
if (_mapGridComponent == null) return default;
return mapGrid.Grid.GetTileRef(indices).Tile.IsEmpty;
return _mapGridComponent.Grid.GetTileRef(indices).IsSpace();
}
public Dictionary<AtmosDirection, TileAtmosphere> GetAdjacentTiles(Vector2i indices, bool includeAirBlocked = false)
@@ -461,9 +469,9 @@ namespace Content.Server.GameObjects.Components.Atmos
/// <inheritdoc />
public float GetVolumeForCells(int cellCount)
{
if (!Owner.TryGetComponent(out IMapGridComponent? mapGrid)) return default;
if (_mapGridComponent == null) return default;
return mapGrid.Grid.TileSize * cellCount * Atmospherics.CellVolume;
return _mapGridComponent.Grid.TileSize * cellCount * Atmospherics.CellVolume;
}
/// <inheritdoc />
@@ -797,15 +805,11 @@ namespace Content.Server.GameObjects.Components.Atmos
{
var gridLookup = EntitySystem.Get<GridTileLookupSystem>();
var list = new List<AirtightComponent>();
foreach (var v in gridLookup.GetEntitiesIntersecting(_gridId, indices))
{
if (v.TryGetComponent<AirtightComponent>(out var ac))
list.Add(ac);
yield return ac;
}
return list;
}
private bool NeedsVacuumFixing(Vector2i indices)
@@ -841,8 +845,7 @@ namespace Content.Server.GameObjects.Components.Atmos
public override void ExposeData(ObjectSerializer serializer)
{
base.ExposeData(serializer);
if (serializer.Reading &&
Owner.TryGetComponent(out IMapGridComponent? mapGrid))
if (serializer.Reading && Owner.TryGetComponent(out IMapGridComponent? mapGrid))
{
var gridId = mapGrid.Grid.Index;

1
Content.Server/GameObjects/Components/Medical/MedicalScannerComponent.cs
View File

@@ -243,6 +243,7 @@ namespace Content.Server.GameObjects.Components.Medical
public void EjectBody()
{
var containedEntity = _bodyContainer.ContainedEntity;
if (containedEntity == null) return;
_bodyContainer.Remove(containedEntity);
containedEntity.Transform.WorldPosition += _ejectOffset;
UpdateUserInterface();

23
Content.Server/GameObjects/EntitySystems/Atmos/GasTileOverlaySystem.cs
View File

@@ -156,21 +156,22 @@ namespace Content.Server.GameObjects.EntitySystems.Atmos
var tileData = new List<GasData>();
for (byte i = 0; i < Atmospherics.TotalNumberOfGases; i++)
{
var gas = _atmosphereSystem.GetGas(i);
var overlay = _atmosphereSystem.GetOverlay(i);
if (overlay == null || tile?.Air == null) continue;
if(tile.Air != null)
for (byte i = 0; i < Atmospherics.TotalNumberOfGases; i++)
{
var gas = _atmosphereSystem.GetGas(i);
var overlay = _atmosphereSystem.GetOverlay(i);
if (overlay == null) continue;
var moles = tile.Air.Gases[i];
var moles = tile.Air.Gases[i];
if (moles < gas.GasMolesVisible) continue;
if (moles < gas.GasMolesVisible) continue;
var data = new GasData(i, (byte) (MathHelper.Clamp01(moles / gas.GasMolesVisibleMax) * 255));
tileData.Add(data);
}
var data = new GasData(i, (byte) (MathHelper.Clamp01(moles / gas.GasMolesVisibleMax) * 255));
tileData.Add(data);
}
overlayData = new GasOverlayData(tile!.Hotspot.State, tile.Hotspot.Temperature, tileData.Count == 0 ? null : tileData.ToArray());
overlayData = new GasOverlayData(tile!.Hotspot.State, tile.Hotspot.Temperature, tileData.Count == 0 ? Array.Empty<GasData>() : tileData.ToArray());
if (overlayData.Equals(oldTile))
{

15
Content.Server/GameObjects/EntitySystems/AtmosphereSystem.cs
View File

@@ -5,7 +5,9 @@ using System.Linq;
using Content.Server.Atmos;
using Content.Server.Atmos.Reactions;
using Content.Server.GameObjects.Components.Atmos;
using Content.Shared.Atmos;
using Content.Shared.GameObjects.EntitySystems.Atmos;
using Content.Shared.Maps;
using JetBrains.Annotations;
using Robust.Server.GameObjects.EntitySystems.TileLookup;
using Robust.Server.Interfaces.Timing;
@@ -17,6 +19,7 @@ using Robust.Shared.Interfaces.GameObjects;
using Robust.Shared.Interfaces.Map;
using Robust.Shared.IoC;
using Robust.Shared.Map;
using Robust.Shared.Maths;
using Robust.Shared.Prototypes;
namespace Content.Server.GameObjects.EntitySystems
@@ -38,6 +41,9 @@ namespace Content.Server.GameObjects.EntitySystems
/// </summary>
public IEnumerable<GasReactionPrototype> GasReactions => _gasReactions!;
private float[] _gasSpecificHeats = new float[Atmospherics.TotalNumberOfGases];
public float[] GasSpecificHeats => _gasSpecificHeats;
public GridTileLookupSystem GridTileLookupSystem => _gridTileLookup ??= Get<GridTileLookupSystem>();
public override void Initialize()
@@ -53,6 +59,13 @@ namespace Content.Server.GameObjects.EntitySystems
_mapManager.TileChanged += OnTileChanged;
Array.Resize(ref _gasSpecificHeats, MathHelper.NextMultipleOf(Atmospherics.TotalNumberOfGases, 4));
for (var i = 0; i < GasPrototypes.Length; i++)
{
_gasSpecificHeats[i] = GasPrototypes[i].SpecificHeat;
}
// Required for airtight components.
EntityManager.EventBus.SubscribeEvent<RotateEvent>(EventSource.Local, this, RotateEvent);
}
@@ -104,7 +117,7 @@ namespace Content.Server.GameObjects.EntitySystems
// space -> not space or vice versa. So if the old tile is the
// same as the new tile in terms of space-ness, ignore the change
if (eventArgs.NewTile.Tile.IsEmpty == eventArgs.OldTile.IsEmpty)
if (eventArgs.NewTile.IsSpace() == eventArgs.OldTile.IsSpace())
{
return;
}